CARB CARBURETOR KIT FOR ECHO SRM 2500 2501 2510 3000 SHINDAIWA ZAMA RB-26 Superior Quality Aftermarket Carburetor Rebuild Kit Made to meet or exceed OEM specifications. Replaces Zama RB-26 Complete kit, includes diaphram, welch plug, screen, needle & inlet lever. OK for use with fuel containing up to 25% Ethanol